Classifying Real Numbers

Natural numbers are

• values less than zero

• ..., -3, -2, -1, 0, 1, 2, 3

• 1, 2, 3, 4,...

• 0, 1, 2, 3, 4, ....

Whole numbers are

• values greater than zero

• 0, 1, 2, 3, 4...

• 1, 2, 3, 4, ....

• ..., -2,-1, 0, 1, 2, ...

Integers are

• ..., -3, -2, -1, 0, 1, 2, 3, ...

• numbers that can be expressed in fraction form

• 0, 1, 2, 3,...

• 1, 2, 3, ...

Rational numbers are

• ..., -3, -2, -1, 0, 1, 2, 3, ...

• numbers that can be expressed in fraction form

• 0, 1, 2, 3,...

• numbers that can't be expressed as terminating or repeating decimals or fractions

Irrational numbers are

• ..., -3, -2, -1, 0, 1, 2, 3, ...

• numbers that can be expressed in fraction form

• 0, 1, 2, 3,...

• numbers that can't be expressed as terminating or repeating decimals or fractions

Classify the number (choose all that apply): -20

• natural number

• whole number

• integer

• rational number

• irrational number

Classify the number (choose all that apply):  $\frac{3}{4}$  

• natural number

• whole number

• integer

• rational number

• irrational number

Classify the number (choose all that apply): 9

• natural number

• whole number

• integer

• rational number

• irrational number

Classify the number (choose all that apply): $\sqrt{12}$  

• natural number

• whole number

• integer

• rational number

• irrational number

Classify the number (choose all that apply): 0

• natural number

• whole number

• integer

• rational number

• irrational number